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SAMPLE PAPER FOR HAL & DRDO

 Hi, This is kishore I have appeared for HAL AND DRDO Examination held on 7^th February 2010 . Below are some of the questions which had appeared in the examination and I am providing for u on the memory basis so that it would give u an idea for exam preparation  . My advice is just stick to the basic concepts thank q

All the Bessst

1)    Castiron is best welded by -______

2)    Reaming is done by ________

3)    Relation between circular pitch and diametrical pitch ________

4)    Internal energy is a function of ________

5)    COP of carnot refrigator ________

6)    Ignition quality is a measure of ________

7)    Which is not a casting defect (select out of 4 opions)

8)    Heat pump is derived from which law________

9)    Milling cutter operates against________ cutter

10)           PERT & BAR charts are used for ________

11)           Rocket works on the principle ________

12)           Heat transfer is related to which law________

13)           Micrometer does not consist of ________ (Select out of 4 options)

14)           A fastener is specified by ________

15)           I law of thermodynamics deals with________

16)           Long columns may fail in ________

17)           Equivalent length for a beam with one fixed end free end ________

18)           The following are boiler accessories ____(Select out of 4 options

19)           Funtion of fusible plug________

20)           A Bench vice has ________ threads

21)           Knuckle threads transmits________

22)           Slip gauges are joined by ________

23)           Angle plate is always used with ________

24)           Chaplets are used for ________

25)           Riser is used for ________

26)           Sprue is meant for ________

27)           In blanking operation clearance is provided on ________

28)           Use of comperator________

29)           Thickness of sheet metal lies in the range of ________

30)           Tail stock is used for holding tools for performing ________ operations

31)           Nose radius is indicated ________ in the tool signature

32)           For cutting brass ________ coolent is requied

33)           Knurling operators is used for ________

34)           The following is the stronget bond (Select out of 4 options

35)           No. of links for a simple machine __________

36)           MIG uses  __________electrode

37)           Flux used for brazing  __________

38)           A section having no joint  __________

39)           Ratio of oxygen to Acetylene in neutral flame __________

40)           Cold working is carried out at __________ temperature

41)           Carbide tips are joined by  __________

42)           In SAW welding arc is produced between  __________

43)           __________ is poorest conductor of electricity (Select out of 4 options

44)           (Select out of 4 option __________ is not function of normalizing

45)           Ornaments are made by __________

46)           Cheek  is a  __________ part of moulding box

47)           Metal removal rate is more in __________ machining

48)           Hallow mandrees are used for__________

49)           Refactoriness of sand is more with __________ sand

50)           Orsat apparatus is used for __________

51)           __________ is advantage of forging

52)           In 18 – 4- 1 steel, 18 refers to __________

53)           Steels with carbon % .6-1.5% are known as __________

54)           Maximum stress a metal can withstand beyond which permanent elongation starts _______

55)           For self-locking effiency of machine should be __________

56)           Maximum efficiency of screw jack when x = 30

57)           When a material is constrained tomove & heated __________ stresses are developed

58)           When B.M is maximum S.F. is __________

59)           When load at free end of cantilever is increased failure occurs at __________

60)           Max B.M.  for simply supported beam with UDL over entire length is __________

61)           A material obeys hookes law upto __________

62)           Proof resilience is given by __________

63)           T/J relation is used to give __________

64)           Newton law of viscosity gives relationship between __________

65)           Centre of buyoance is ________

66)           Metacentre height is defined as __________

67)           Velocity ratio is __________ propotional to diameter

68)           T1/T2 = __________ for  V – belt

69)           Poise is the unit of __________

70)           Differential manometer is used to measure __________

71)           Crowing on the pulley is used to __________

72)           For maximum power belt speed is given by __________

73)           In V-belt contact between pulley & belt is __________

74)           Generally cotter & spigot joint tranmits  __________

75)           Gear train used in clocks __________

76)           Closed sytem is one which permits __________

77)           -37F = __________ C

78)           Reversed braytone cycle is __________

79)           Flow pattern observedafter opening tap __________

80)           __________ requires heavier flywheel ( 2stroke or 4 stroke)

81)           Watts governor height is given by __________

82)           Fly wheel is meant for __________

83)           Wet steam is completely specified by __________

84)           Critical pressure ratio is given for __________

85)